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-   -   TDS (Total Dissolved Solids) & It's importance in Shrimp Rearing (http://www.plantedtank.net/forums/88-shrimp-other-invertebrates/147416-tds-total-dissolved-solids-its-importance-shrimp-rearing.html)

MsNemoShrimp 09-07-2011 06:54 PM

TDS (Total Dissolved Solids) & It's importance in Shrimp Rearing
 
In the process of starting up our first tank together and this time it will be just CRS only tank with a few horned nerites and ottos. Since we got most of the basics down now and just waiting to fill our tank by the beginning of October, we want to go over the last bit of info we need for successful shrimp rearing and breeding : )

For the TDS, given that the digital technically could work forever, is it necessarily "maintenance free"?

Test Strips on Amazon for $12
http://i158.photobucket.com/albums/t...s/IMG_1918.jpg

Digital Tester on eBay for $9
http://www.partlancer.com/pics/Digit...Purity.JPG.jpg

Which one is better to go with?

What are the best parameters for shrimps?

How to lower TDS or increase it?

mordalphus 09-07-2011 06:57 PM

Digital, ill sell you one if you want. Never ever buy a test strip for anything unless its fresh litmus paper. Test strips are about as inaccurate as you can get

OverStocked 09-07-2011 07:03 PM

And the meter reads TDS.... the strips are measuring hardness in PPM. They are not the same thing...

happi 09-07-2011 07:11 PM

Quote:

Originally Posted by OverStocked (Post 1505429)
And the meter reads TDS.... the strips are measuring hardness in PPM. They are not the same thing...

am bit confused about the TDS meter, last time i tested, it was reading 250ppm on the meter and API test kit was reading 6dh, now either one is inaccurate. :confused1:

MsNemoShrimp 09-07-2011 07:16 PM

Looks like Digital it is : )

OverStocked 09-07-2011 07:20 PM

Quote:

Originally Posted by happi (Post 1505437)
am bit confused about the TDS meter, last time i tested, it was reading 250ppm on the meter and API test kit was reading 6dh, now either one is inaccurate. :confused1:

They are testing different things... If you get the same results, it is coincidental.

happi 09-07-2011 08:56 PM

Quote:

Originally Posted by OverStocked (Post 1505452)
They are testing different things... If you get the same results, it is coincidental.

so does that mean API results represent real GH, while TDS meter detect other things which does not really represent real GH?

mordalphus 09-07-2011 08:59 PM

Yes, tds could be "cleanliness", ro water has close to zero solids disolved in it. Water with nitrates and phosphorus has more solids dissolved.

Reconstituted ro water measured with a tds meter will yield a ppm of hardness, only because you have only the hardener dissolved into the water

shrimpnmoss 09-07-2011 09:06 PM

digital all the way...you can use it over and over again...

MsNemoShrimp 09-07-2011 09:34 PM

Quote:

Originally Posted by shrimpnmoss (Post 1505553)
digital all the way...you can use it over and over again...

And its only $9 shipped to your door! :biggrin:

BradH 09-07-2011 10:39 PM

2 Attachment(s)
I'm looking for a digital tds meter myself. Which brand is good?

ohbaby714 09-07-2011 10:43 PM

http://www.amazon.com/gp/aw/d/B002C0...5435279&sr=8-1

Been using this, for about a month now. Pretty decent. Plus really cheap from Amazon:)

Kazuya 09-07-2011 10:52 PM

Has anyone used the TDS meter in op?

mordalphus 09-07-2011 10:53 PM

I use the ones in the OP, works good

jkan0228 09-07-2011 10:56 PM

Sorry to ask what it's a simple question. What is TDS?


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